production.log empty on Rails 4 / Capistrano / Passenger / Nginx server (digital ocean)

Question

I have set up a rails 4 server on Ubuntu 12.04 using Capistrano, Nginx, Passenger, Postgres, Redis/Resque

Everything is working great, except that the production.log fil

Answer 1

The culprit was Heroku's rails_12factor gem

Removing that gem from the Gemfile, now the logs are working as expected.

# group :production do
#   gem 'rails_12factor'
# end